Tetra Tech Inc. (ttek 2.25 08/15/28)

13F holders, Q2 2026 (June 30)
18holders +1
5new positions
5sold out
1famous investor
$1.13avg. 13F price*

At the end of Q2 2026, 18 institutions reported holding Tetra Tech Inc. (ttek 2.25 08/15/28) in their 13F filings, up 1 from Q1 2026. 5 opened new positions and 5 sold out. The largest holders were Tudor Investment Corporation ($31.7M), Absolute Investment Advisers, LLC ($18.1M) and Shenkman Capital Management Inc. ($9.2M). One famous investor held it Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio).

Company
Tetra Tech Inc. (ttek 2.25 08/15/28)
CUSIP
88162GAB9
Latest filing quarter
Q2 2026

History

Number of 13F holders

05101520 Q3 2024: 11Q3 2024Q4 2024: 13Q4 2024Q1 2025: 16Q1 2025Q2 2025: 11Q2 2025Q3 2025: 15Q3 2025Q4 2025: 16Q4 2025Q1 2026: 17Q1 2026Q2 2026: 18Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions5$9.3M
Exits5$10.5M

All 13F filers, Q1 2026 → Q2 2026: 9,490,252 shares bought and 14,621,411 shares sold, net −5,131,159 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 18 holders

Tudor Investment Corporation 0.13% No change 30,120,000 $31.7M
Absolute Investment Advisers, LLC 1.75% Reduce -1.7% 17,226,000 $18.1M
Shenkman Capital Management Inc. 5.32% New 8,406,000 $9.2M
Ofi Invest Asset Management 0.07% No change 7,000,000 $6.5M
Loomis Sayles & Co. L P 0.01% Add +19.0% 212,088 $6.1M
State of Wisconsin Investment Board 0.01% Add +33.3% 4,000,000 $4.2M
Balyasny Asset Management L.P. 0.00% Reduce -83.3% 1,000,000 $1.1M
Bank of New York Mellon Corp 0.00% Reduce -23.3% 700,000 $738K
Sei Investments Co. 0.00% No change 533,000 $560K
Nomura Holdings Inc. 0.00% Reduce -12.7% 7,974 $230K
Oppenheimer Asset Management Inc. 0.00% Reduce -2.7% 181,000 $190K
&partners 0.00% Reduce -1.5% 129,000 $136K
Stephens Inc. 0.00% No change 59,000 $62K
Choreo, LLC 0.00% New 28,000 $30K
Fifth Third Bancorp 0.00% New 11,000 $12K
Lanark Financial, Inc. 0.00% New 9,000 $9K
Boussard & Gavaudan Gestion Sas 0.00% — 6,000 $6K
Laffer Tengler Investments, Inc. 0.00% New 2,435 $3K

"% of holder's portfolio" is TETRA TECH INC (TTEK 2.25 08/15/28)'s weight in each manager's 13F, not the share of Tetra Tech Inc. (ttek 2.25 08/15/28) the manager owns.